With its anthem (and new drag queen standard) “Let It Go” expected to win the best original song Oscar and the movie a shoo-in for the best animated film award this weekend and as worldwide box office receipts near one billion dollars (!), interest in all things Frozen is at an all-time high. In anticipation of the DVD/Blu-ray release next month, actors Jonathan Groff, Kristin Bell and Josh Gad, who voiced characters in Disney’s animated blockbuster, have performed a live-action (and cleverly-titled) musical number “The Making of Frozen” that explains tries to explain how this masterpiece came to be.